Remove CQ for unsupported branch refs/heads/chrome/m126

Change-Id: I9c137324426f4e38903127bb7b6253222afa2520
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/1259417
Reviewed-by: Kaylee Lubick <kjlubick@google.com>
1 file changed